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Finding the Fourth Proportional to 56,502.36, 84,758.48 and 20,964.08

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Solution

The fourth proportional to 56,502.36, 84,758.48 and 20,964.08 is: 31,447.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,502.36 : 84,758.48 = 20,964.08 : x
  2. Step 2: Convert to fraction form
    56,502.36/84,758.48 = 20,964.08/x
  3. Step 3: Cross multiply
    56,502.36x = 84,758.48 × 20,964.08
  4. Step 4: Simplify right side
    56,502.36x = 1,776,883,555.40
  5. Step 5: Solve for x
    x = 1,776,883,555.40/56,502.36
  6. Step 6: Final answer
    x = 31,447.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.